---> uname -a: Linux prd-centos8-docker-4c-4g-654.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1028 10895 19 3839 14385 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:21:a2:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.150/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86106sec preferred_lft 86106sec inet6 fe80::f816:3eff:fe21:a264/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:df:6a:e5:95 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:dfff:fe6a:e595/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/30/2026 _x86_64_ (4 CPU) 13:13:19 LINUX RESTART (4 CPU) 01:14:01 PM tps rtps wtps bread/s bwrtn/s 01:15:01 PM 199.72 4.75 194.97 436.65 10612.88 01:16:01 PM 223.63 3.22 220.41 893.98 29621.05 01:17:01 PM 1077.17 95.08 982.09 1697.57 35502.35 01:18:01 PM 71.95 23.80 48.16 475.65 2139.26 Average: 393.14 31.71 361.43 875.98 19469.18 01:14:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:15:01 PM 12738144 14700252 3403388 21.08 2688 2169272 1549892 9.02 160076 2846104 203924 01:16:01 PM 11296684 14127604 4844848 30.01 2688 3013388 1871740 10.89 365744 3990440 178060 01:17:01 PM 9835804 13345412 6305728 39.07 2688 3504300 1953792 11.37 415212 4995700 6768 01:18:01 PM 11149084 14718348 4992448 30.93 2688 3560184 1178248 6.85 628308 3478280 38692 Average: 11254929 14222904 4886603 30.27 2688 3061786 1638418 9.53 392335 3827631 106861 01:14:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:15:01 PM eth0 180.87 146.80 2199.79 28.53 0.00 0.00 0.00 0.00 01:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:16:01 PM lo 6.12 6.12 4.58 4.58 0.00 0.00 0.00 0.00 01:16:01 PM eth0 455.32 314.20 5557.22 41.51 0.00 0.00 0.00 0.00 01:16:01 PM docker0 3.23 3.07 4.08 0.45 0.00 0.00 0.00 0.00 01:17:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:17:01 PM eth0 159.81 99.28 965.19 14.47 0.00 0.00 0.00 0.00 01:17:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:18:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:18:01 PM eth0 27.96 23.78 58.29 9.28 0.00 0.00 0.00 0.00 01:18:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.53 1.53 1.14 1.14 0.00 0.00 0.00 0.00 Average: eth0 205.99 146.01 2195.07 23.45 0.00 0.00 0.00 0.00 Average: docker0 0.81 0.77 1.02 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/30/2026 _x86_64_ (4 CPU) 13:13:19 LINUX RESTART (4 CPU) 01:14:01 PM CPU %user %nice %system %iowait %steal %idle 01:15:01 PM all 25.50 0.00 2.38 1.59 0.11 70.42 01:15:01 PM 0 32.78 0.00 3.29 1.35 0.12 62.46 01:15:01 PM 1 19.57 0.00 2.29 2.42 0.12 75.60 01:15:01 PM 2 31.57 0.00 2.18 0.94 0.10 65.21 01:15:01 PM 3 18.09 0.00 1.77 1.64 0.10 78.40 01:16:01 PM all 51.18 0.09 4.68 1.45 0.15 42.45 01:16:01 PM 0 51.44 0.17 5.04 1.33 0.15 41.88 01:16:01 PM 1 60.49 0.10 4.98 1.34 0.15 32.94 01:16:01 PM 2 51.29 0.03 4.08 0.54 0.15 43.90 01:16:01 PM 3 41.49 0.05 4.61 2.59 0.15 51.11 01:17:01 PM all 30.23 0.00 9.73 7.52 0.14 52.39 01:17:01 PM 0 50.02 0.00 10.17 9.93 0.15 29.73 01:17:01 PM 1 21.57 0.00 9.73 8.55 0.12 60.04 01:17:01 PM 2 27.16 0.00 8.49 3.75 0.14 60.47 01:17:01 PM 3 22.18 0.00 10.54 7.86 0.14 59.28 01:18:01 PM all 36.37 0.00 2.14 0.38 0.10 61.00 01:18:01 PM 0 40.85 0.00 1.97 0.42 0.10 56.66 01:18:01 PM 1 38.97 0.00 2.16 0.25 0.08 58.54 01:18:01 PM 2 40.32 0.00 2.31 0.54 0.10 56.73 01:18:01 PM 3 25.34 0.00 2.13 0.33 0.10 72.10 Average: all 35.82 0.02 4.72 2.72 0.12 56.60 Average: 0 43.73 0.04 5.10 3.23 0.13 47.76 Average: 1 35.16 0.03 4.77 3.12 0.12 56.80 Average: 2 37.61 0.01 4.25 1.43 0.12 56.58 Average: 3 26.77 0.01 4.74 3.09 0.12 65.26